Cita APA (7a ed.)

Hawkes,J. (1969). The potatoes of Argentina, Brasil, Paraguay and Uruguay: A biosystematic study.. Clarendon Press.

Cita Chicago Style (17a ed.)

Hawkes,J. The Potatoes of Argentina, Brasil, Paraguay and Uruguay: A Biosystematic Study.. Oxford - EEUU: Clarendon Press, 1969.

Cita MLA (8a ed.)

Hawkes,J. The Potatoes of Argentina, Brasil, Paraguay and Uruguay: A Biosystematic Study.. Clarendon Press, 1969.